chore: Allow RecordingAuthorizer to record multiple rbac authz calls (#6024)

* chore: Allow RecordingAuthorizer to record multiple rbac authz calls

Prior iteration only recorded the last call. This is required for
more comprehensive testing

coderd/rbac/authz.go

@@ -15,6 +15,7 @@ import (
 
 	"github.com/coder/coder/coderd/rbac/regosql"
 	"github.com/coder/coder/coderd/tracing"
+	"github.com/coder/coder/coderd/util/slice"
 )
 
 // Subject is a struct that contains all the elements of a subject in an rbac
@@ -26,6 +27,25 @@ type Subject struct {
 	Scope  ExpandableScope
 }
 
+func (s Subject) Equal(b Subject) bool {
+	if s.ID != b.ID {
+		return false
+	}
+
+	if !slice.SameElements(s.Groups, b.Groups) {
+		return false
+	}
+
+	if !slice.SameElements(s.SafeRoleNames(), b.SafeRoleNames()) {
+		return false
+	}
+
+	if s.SafeScopeName() != b.SafeScopeName() {
+		return false
+	}
+	return true
+}
+
 // SafeScopeName prevent nil pointer dereference.
 func (s Subject) SafeScopeName() string {
 	if s.Scope == nil {